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  • (-) Funding (EC, SNSF) = Investigation of atmospheric new particle formation and their aqueous phase processing
  • (-) PSI Authors ≠ Ludwig, Christian
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Effect of OH scavengers on the chemical composition of α-pinene secondary organic aerosol
Bell, D. M., Pospisilova, V., Lopez-Hilfiker, F., Bertrand, A., Xiao, M., Zhou, X., … Slowik, J. G. (2023). Effect of OH scavengers on the chemical composition of α-pinene secondary organic aerosol. Environmental Science: Atmospheres, 3(1), 115-123. https://doi.org/10.1039/d2ea00105e
An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles
Caudillo, L., Surdu, M., Lopez, B., Wang, M., Thoma, M., Bräkling, S., … Curtius, J. (2023). An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles. Atmospheric Chemistry and Physics, 23(11), 6613-6631. https://doi.org/10.5194/acp-23-6613-2023
The gas-phase formation mechanism of iodic acid as an atmospheric aerosol source
Finkenzeller, H., Iyer, S., He, X. C., Simon, M., Koenig, T. K., Lee, C. F., … Volkamer, R. (2023). The gas-phase formation mechanism of iodic acid as an atmospheric aerosol source. Nature Chemistry, 15, 129-135. https://doi.org/10.1038/s41557-022-01067-z
Measurement of the collision rate coefficients between atmospheric ions and multiply charged aerosol particles in the CERN CLOUD chamber
Pfeifer, J., Mahfouz, N. G. A., Schulze, B. C., Mathot, S., Stolzenburg, D., Baalbaki, R., … Kirkby, J. (2023). Measurement of the collision rate coefficients between atmospheric ions and multiply charged aerosol particles in the CERN CLOUD chamber. Atmospheric Chemistry and Physics, 23(12), 6703-6718. https://doi.org/10.5194/acp-23-6703-2023
Molecular understanding of the enhancement in organic aerosol mass at high relative humidity
Surdu, M., Lamkaddam, H., Wang, D. S., Bell, D. M., Xiao, M., Lee, C. P., … El Haddad, I. (2023). Molecular understanding of the enhancement in organic aerosol mass at high relative humidity. Environmental Science and Technology, 57(6), 2297-2309. https://doi.org/10.1021/acs.est.2c04587
Particle-phase processing of <em>α</em>-pinene NO<sub>3</sub> secondary organic aerosol in the dark
Bell, D. M., Wu, C., Bertrand, A., Graham, E., Schoonbaert, J., Giannoukos, S., … Mohr, C. (2022). Particle-phase processing of α-pinene NO3 secondary organic aerosol in the dark. Atmospheric Chemistry and Physics, 22(19), 13167-13182. https://doi.org/10.5194/acp-22-13167-2022
High-frequency gaseous and particulate chemical characterization using extractive electrospray ionization mass spectrometry (Dual-Phase-EESI-TOF)
Lee, C. P., Surdu, M., Bell, D. M., Dommen, J., Xiao, M., Zhou, X., … El Haddad, I. (2022). High-frequency gaseous and particulate chemical characterization using extractive electrospray ionization mass spectrometry (Dual-Phase-EESI-TOF). Atmospheric Measurement Techniques, 15(12), 3747-3760. https://doi.org/10.5194/amt-15-3747-2022
Survival of newly formed particles in haze conditions
Marten, R., Xiao, M., Rörup, B., Wang, M., Kong, W., He, X. C., … El Haddad, I. (2022). Survival of newly formed particles in haze conditions. Environmental Science: Atmospheres, 2(3), 491-499. https://doi.org/10.1039/d2ea00007e
High gas-phase methanesulfonic acid production in the OH-initiated oxidation of dimethyl sulfide at low temperatures
Shen, J., Scholz, W., He, X. C., Zhou, P., Marie, G., Wang, M., … Worsnop, D. R. (2022). High gas-phase methanesulfonic acid production in the OH-initiated oxidation of dimethyl sulfide at low temperatures. Environmental Science and Technology, 56(19), 13931-13944. https://doi.org/10.1021/acs.est.2c05154
Synergistic HNO<sub>3</sub>-H<sub>2</sub>SO<sub>4</sub>-NH<sub>3</sub> upper tropospheric particle formation
Wang, M., Xiao, M., Bertozzi, B., Marie, G., Rörup, B., Schulze, B., … Donahue, N. M. (2022). Synergistic HNO3-H2SO4-NH3 upper tropospheric particle formation. Nature, 605(7910), 483-489. https://doi.org/10.1038/s41586-022-04605-4
Chemical composition of nanoparticles from <em>α</em>-pinene nucleation and the influence of isoprene and relative humidity at low temperature
Caudillo, L., Rörup, B., Heinritzi, M., Marie, G., Simon, M., Wagner, A. C., … Curtius, J. (2021). Chemical composition of nanoparticles from α-pinene nucleation and the influence of isoprene and relative humidity at low temperature. Atmospheric Chemistry and Physics, 21(22), 17099-17114. https://doi.org/10.5194/acp-21-17099-2021
Determination of the collision rate coefficient between charged iodic acid clusters and iodic acid using the appearance time method
He, X. C., Iyer, S., Sipilä, M., Ylisirniö, A., Peltola, M., Kontkanen, J., … Kulmala, M. (2021). Determination of the collision rate coefficient between charged iodic acid clusters and iodic acid using the appearance time method. Aerosol Science and Technology, 55(2), 231-242. https://doi.org/10.1080/02786826.2020.1839013
Role of iodine oxoacids in atmospheric aerosol nucleation
He, X. C., Tham, Y. J., Dada, L., Wang, M., Finkenzeller, H., Stolzenburg, D., … Sipilä, M. (2021). Role of iodine oxoacids in atmospheric aerosol nucleation. Science, 371(6529), 589-595. https://doi.org/10.1126/science.abe0298
Large contribution to secondary organic aerosol from isoprene cloud chemistry
Lamkaddam, H., Dommen, J., Ranjithkumar, A., Gordon, H., Wehrle, G., Krechmer, J., … Baltensperger, U. (2021). Large contribution to secondary organic aerosol from isoprene cloud chemistry. Science Advances, 7(13), eabe2952 (10 pp.). https://doi.org/10.1126/sciadv.abe2952
Effects of aerosol size and coating thickness on the molecular detection using extractive electrospray ionization
Lee, C. P., Surdu, M., Bell, D. M., Lamkaddam, H., Wang, M., Ataei, F., … El Haddad, I. (2021). Effects of aerosol size and coating thickness on the molecular detection using extractive electrospray ionization. Atmospheric Measurement Techniques, 14(9), 5913-5923. https://doi.org/10.5194/amt-14-5913-2021
Photodegradation of <em>α</em>-pinene secondary organic aerosol dominated by moderately oxidized molecules
Pospisilova, V., Bell, D. M., Lamkaddam, H., Bertrand, A., Wang, L., Bhattu, D., … Slowik, J. G. (2021). Photodegradation of α-pinene secondary organic aerosol dominated by moderately oxidized molecules. Environmental Science and Technology, 55(10), 6936-6943. https://doi.org/10.1021/acs.est.0c06752
Structures and reactivity of peroxy radicals and dimeric products revealed by online tandem mass spectrometry
Tomaz, S., Wang, D., Zabalegui, N., Li, D., Lamkaddam, H., Bachmeier, F., … Riva, M. (2021). Structures and reactivity of peroxy radicals and dimeric products revealed by online tandem mass spectrometry. Nature Communications, 12, 300 (9 pp.). https://doi.org/10.1038/s41467-020-20532-2
Constraining the response factors of an extractive electrospray ionization mass spectrometer for near-molecular aerosol speciation
Wang, D. S., Lee, C. P., Krechmer, J. E., Majluf, F., Tong, Y., Canagaratna, M. R., … Bell, D. M. (2021). Constraining the response factors of an extractive electrospray ionization mass spectrometer for near-molecular aerosol speciation. Atmospheric Measurement Techniques, 14(11), 6955-6972. https://doi.org/10.5194/amt-14-6955-2021
The driving factors of new particle formation and growth in the polluted boundary layer
Xiao, M., Hoyle, C. R., Dada, L., Stolzenburg, D., Kürten, A., Wang, M., … Dommen, J. (2021). The driving factors of new particle formation and growth in the polluted boundary layer. Atmospheric Chemistry and Physics, 21(18), 14275-14291. https://doi.org/10.5194/acp-21-14275-2021
Molecular understanding of the suppression of new-particle formation by isoprene
Heinritzi, M., Dada, L., Simon, M., Stolzenburg, D., Wagner, A. C., Fischer, L., … Curtius, J. (2020). Molecular understanding of the suppression of new-particle formation by isoprene. Atmospheric Chemistry and Physics, 20(20), 11809-11821. https://doi.org/10.5194/acp-20-11809-2020